Three people, including one child, were critically injured in a yellow school bus crash yesterday morning just 66 miles northeast of New York City. The bus collided with a tree-service work truck head on, and the entire front end of the bus was severely damaged, along with a completely shattered windshield. The three critically injured crash victims were hospitalized, and several others on the bus were treated for less serious injuries. According to the police, the accident is still under investigation.